Acer R920 Series manual 187

S

SAS module		89
installing
removing		91	31
setting up the system						31
preinstallation requirements
specification	3
chipset			5
control panel
graphic interface 5
I/O ports		6				4
integrated hardware RAID
media storage			4	3
memory subsystem
networking 5
OS 6	5
PCI I/O			7
power supply
processor		3	4
SAS controller
serial ATA port			4	5
server management
system fan		7
storage devices					66
installing 5.25-inch drive
replacing DVD drive				64
system boards		12
mainboard		12
memory board			14
system features		3
system jumpers		27
system memory			81
reconfiguring
system tour	1	37
system upgrade			39
ESD precautions					39
installation precautions						40
post-installation instructions
preinstallation instructions						40

187

T

top cover	44
installing
removing	43
troubleshooting		135					139
confirming loading of the OS
hardware diagnostic testing							139
problems	140						144
adapter stopped working
cannot		connect to a server
		143
cannot		detect		bootable			drive
		142					143
cannot detect memory
cannot eject ODD tray						142
cannot read ODD					142
controller			stopped			working
		144			141
HDD LED no light
HDD not recognized						142
initial system installation							137
LAN LED no light					143		144
network connection fails
no characters on screen							145
no video			143	141
ODD no light							140
power indicator no light
processors			not		recognized
		141
server boot does not complete
		POST			141	140
server turns off often
system fans do not rotate							146
resetting the system				137		139
verifying key system lights
turning off the system			36
turning on the system			33
power-on problems				34

U

upgrading the BIOS 134